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/* Appotech ax203 picframe access library
*
* Copyright (c) 2010 Hans de Goede <hdegoede@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef CAMLIBS_AX203_AX203_H
#define CAMLIBS_AX203_AX203_H
#include "config.h"
#include <stdio.h>
#include <gphoto2/gphoto2-library.h>
#include <libgphoto2/gphoto2-endian.h>
#include "tinyjpeg.h"
#define GP_MODULE "ax203"
#define AX203_ABFS_MAGIC "ABFS"
#define AX203_ABFS_COUNT_OFFSET 0x05
#define AX203_ABFS_FILE_OFFSET(idx) (0x20 + 2 * (idx))
#define AX203_ABFS_SIZE 0x1000
#define AX203_PICTURE_OFFSET 0x2000 /* offset from ABFS start */
#define AX206_ABFS_FILE_OFFSET(idx) (0x10 + 8 * (idx))
#define AX206_PICTURE_OFFSET 0x1000 /* offset from ABFS start */
#define AX3003_ABFS_FILE_OFFSET(idx) (0x20 + 4 * (idx))
#define AX3003_PICTURE_OFFSET 0x1000 /* offset from ABFS start */
#define AX3003_BL_SIZE 0x10000 /* Space used by the bootloader
at the end of the memory */
#define AX203_SET_TIME 0xCA
#define AX203_TO_DEV 0xCB
#define AX203_FROM_DEV 0xCD
#define AX203_EEPROM_CMD 0x00
#define AX203_GET_VERSION 0x01
#define AX203_GET_LCD_SIZE 0x02
#define AX203_GET_CHECKSUM 0x05 /* Note only seen on 206 sofar */
#define AX3003_FRAME_CMD 0xCA
#define AX3003_SET_TIME 0x01
#define AX3003_GET_FRAME_ID 0x02
#define AX3003_GET_ABFS_START 0x03
/* Note not all SPI EEPROM's actually have 4k sectors, some have
64k sectors, ax203_commit() takes care if this. */
#define SPI_EEPROM_SECTOR_SIZE 4096
#define SPI_EEPROM_BLOCK_SIZE 65536
#define SPI_EEPROM_WRSR 0x01 /* WRite Status Register */
#define SPI_EEPROM_PP 0x02
#define SPI_EEPROM_READ 0x03
#define SPI_EEPROM_RDSR 0x05 /* ReaD Status Register */
#define SPI_EEPROM_WREN 0x06
#define SPI_EEPROM_ERASE_4K 0x20
#define SPI_EEPROM_RDID 0x9f /* Read Device ID */
#define SPI_EEPROM_RDP 0xab /* Release from Deep Powerdown */
#define SPI_EEPROM_ERASE_64K 0xd8
#define CHECK(result) {int r=(result); if (r<0) return (r);}
enum ax203_version {
AX203_FIRMWARE_3_3_x,
AX203_FIRMWARE_3_4_x,
AX206_FIRMWARE_3_5_x,
AX3003_FIRMWARE_3_5_x,
};
enum ax203_compression {
AX203_COMPRESSION_YUV,
AX203_COMPRESSION_YUV_DELTA,
AX206_COMPRESSION_JPEG,
AX3003_COMPRESSION_JPEG,
};
struct _CameraPrivateLibrary {
FILE *mem_dump;
struct jdec_private *jdec;
char *mem;
int sector_is_present[4194304 / SPI_EEPROM_SECTOR_SIZE];
int sector_dirty[4194304 / SPI_EEPROM_SECTOR_SIZE];
int fs_start;
/* LCD display attributes */
unsigned int width;
unsigned int height;
/* USB "bridge" / firmware attributes */
enum ax203_version frame_version;
enum ax203_compression compression_version;
/* EEPROM attributes */
int mem_size;
int has_4k_sectors;
int block_protection_removed;
int pp_64k;
/* Driver configuration settings */
int syncdatetime;
};
struct ax203_devinfo {
unsigned short vendor_id;
unsigned short product_id;
int frame_version;
};
struct ax203_fileinfo {
int address;
int present;
int size;
};
struct ax206_v3_5_x_raw_fileinfo {
uint8_t present;
uint32_t address;
uint16_t size;
uint8_t pad;
} __attribute__((packed));
struct ax3003_v3_5_x_raw_fileinfo {
uint16_t address; /* In blocks of 256 bytes */
uint16_t size; /* In blocks of 256 bytes */
} __attribute__((packed));
/* functions in ax203.c */
int
ax203_open_device(Camera *camera);
int
ax203_open_dump(Camera *camera, const char *dump);
void ax203_close(Camera *camera);
int
ax203_read_filecount(Camera *camera);
int
ax203_file_present(Camera *camera, int idx);
int
ax203_read_file(Camera *camera, int idx, int **rgb24);
int
ax203_write_file(Camera *camera, int **rgb24);
int
ax203_delete_file(Camera *camera, int idx);
int
ax203_delete_all(Camera *camera);
int
ax203_read_raw_file(Camera *camera, int idx, char **raw);
int
ax203_write_raw_file(Camera *camera, int idx, char *buf, int size);
int
ax203_commit(Camera *camera);
int
ax203_get_mem_size(Camera *camera);
int
ax203_get_free_mem_size(Camera *camera);
int
ax203_set_time_and_date(Camera *camera, struct tm *t);
int
ax203_filesize(Camera *camera);
/* functions in ax203_decode_*.c */
void
ax203_decode_yuv(char *src, int **dest, int width, int height);
void
ax203_encode_yuv(int **src, char *dest, int width, int height);
void
ax203_decode_yuv_delta(char *src, int **dest, int width, int height);
void
ax203_encode_yuv_delta(int **src, char *dest, int width, int height);
#if defined(HAVE_LIBGD) && defined(HAVE_LIBJPEG)
int
ax206_compress_jpeg(Camera *camera, int **in, uint8_t *outbuf, int out_size,
unsigned int width, unsigned int height);
#endif
#endif /* !defined(CAMLIBS_AX203_AX203_H) */
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